When animals find cosmetic exclude floating around in a ocean, they can mistake it for food and eat it. Over time, if they eat enough, they can start to feel full and die of malnutrition. They can also get entangled in rejected wrapping materials or deserted fishing gear, heading to damage and infrequently death.
Article source: http://www.huffingtonpost.com/2017/04/12/plastic-trash-animals-photos_n_16409520.html?utm_hp_ref=hawaii&ir=Hawaii